I just googled it and the first result was one in stock for £2200. That's including tax. I assume $1999 is excluding tax. Without tax and converted to dollars it's $2470.

From other less reliable sources like eBay they are more like £1800.

Huh, you are right. I googled it yesterday too but I guess I had confirmation bias and happened to stumble across an old price and go "yep still 4k".

Well, I'm glad to be wrong on his!

The prices came down to near MSRP in the last month or so.

So long as that's true, it's also likely you'll see the same markup for the spark, so they should compare similarly.